| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.hp.hpl.jena.sparql.core; |
| |
| import org.apache.jena.atlas.iterator.Iter ; |
| import org.junit.Test ; |
| |
| import com.hp.hpl.jena.graph.Graph ; |
| import com.hp.hpl.jena.graph.Node ; |
| import com.hp.hpl.jena.sparql.sse.SSE ; |
| |
| /** Directly call the view mechanism */ |
| public class TestDatasetGraphViewGraphs extends AbstractTestGraphOverDataset |
| { |
| @Override |
| protected DatasetGraph createBaseDSG() { return DatasetGraphFactory.createMem() ; } |
| |
| @Override |
| protected Graph makeDefaultGraph(DatasetGraph dsg) |
| { |
| return GraphView.createDefaultGraph(dsg) ; |
| } |
| |
| @Override |
| protected Graph makeNamedGraph(DatasetGraph dsg, Node gn) |
| { |
| return GraphView.createNamedGraph(dsg, gn) ; |
| } |
| |
| @Test public void graphDSG_basic_1() |
| { |
| Graph g = makeDefaultGraph(baseDSG) ; |
| assertTrue(g instanceof GraphView) ; |
| GraphView gv = (GraphView)g ; |
| assertEquals(baseDSG, gv.getDataset()) ; |
| assertEquals(null, gv.getGraphName()) ; |
| } |
| |
| @Test public void graphDSG_basic_2() |
| { |
| Node gn1 = SSE.parseNode("<g1>") ; |
| Graph g = makeNamedGraph(baseDSG, gn1) ; |
| assertTrue(g instanceof GraphView) ; |
| GraphView gv = (GraphView)g ; |
| assertEquals(baseDSG, gv.getDataset()) ; |
| assertEquals(gn1, gv.getGraphName()) ; |
| } |
| |
| @Test public void graphDSG_view_union_2() |
| { |
| Graph g = GraphView.createUnionGraph(baseDSG) ; |
| assertTrue(g instanceof GraphView) ; |
| long x = Iter.count(g.find(null,null,null)) ; |
| assertEquals(2, x) ; |
| } |
| |
| @Test public void graphDSG_view_union_3() |
| { |
| Graph g = GraphView.createUnionGraph(baseDSG) ; |
| assertEquals(2, g.size()) ; |
| } |
| |
| |
| |
| } |